and just caught your reference to a local A/C line. Because the shunt is such a sensitive reading there is a chance that induced AC power may be affecting the reading. Make sure the 2 w...
Posts made by Richard
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Erratic reading from current shuntposted in REC Active BMS
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Erratic reading from current shuntposted in REC Active BMS
This sounds like a wiring problem. This is a millivolt reading so it is very sensitive to any poor connection. Ideas: Check to make sure all crimps are clean and tight clean the connecti...
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Spiking/Pulsing Chargingposted in WS500 Tips, Tricks and support
I am going to include Al fromWakespeed in this thread and see if he can provide any insight. @Al Thomason @Rick Admin
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WS-REC-Cerbo slave issues?posted in WS500 User Installation and Programming Questions
Guys, after talking with Al, he confirmed that the WS500 does not integrate with CVCC yet. From Al \"And at all times the WS500 directly takes its guidance from the BMS -- Victron has not extend...
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Rec BMS charge and discharge disableposted in REC Q Series BMS
I would think you only need 2.9-2 if you have an older system and do not have the Wifi module
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TMIN - Under-temperature charging disable (firmware v 2.6)posted in REC Active BMS
No, its a setup screen in the \"Tasks\" tab of the WiFi module, with several parameters and alarms that can be configured
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TMIN - Under-temperature charging disable (firmware v 2.6)posted in REC Active BMS
As per my other post you will likely find what you need using the Tasks feature in the WiFi module. I would use an opto output as your charger interlock and set it up in Tasks while the relay is u...
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Rec BMS charge and discharge disableposted in REC Q Series BMS
Yes, all parameters are programmable by either the PC software or the Wifi. The only difference is that with the new firmware there is a new feature called Tasks that also allows custom configurat...
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WS 500 + Dedicated Shunt + Cerbo + REC-Q = 2x DC Power Reportedposted in WS500 User Installation and Programming Questions
Hey Nathaniel, I see you posted this to the Victron Venus github project as well. I also just reached out to Al at Wakespeed to see if he could offer any insight.
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REC Wifi Module 1.61 firmware release notes?posted in REC Product Announcements
Missed that one. Getting the details and hope to have it posted in the next few days Thanks for the heads up
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Problem rec bms shutting down due to low voltage at 3v fixposted in REC SI Series BMS
I had a quick look over your pics. Nice that you included them. I see that you have your low voltage hysteresis (deadband) set to what looks like 1 V. The is the RE1L parameter that Ben is refer...
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WS-REC-Cerbo slave issues?posted in WS500 User Installation and Programming Questions
Hey Johnny, this is one we will have to push back to Wakespeed for a reply. Copy to Al at Wakespeed @al-thomason
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Connecting REC wifi module to the outside world?posted in REC Active BMS
Thanks for your kind words. We have several more detailed videos in the works too. Think of port forwarding in old land line terms. It\'s the same as directing an outside line to ring at a cer...
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Connecting REC wifi module to the outside world?posted in REC Active BMS
Sure, the WiFi module can be configured as a AP (Access Point) or STA(Station) device on your home network. Then you just need to map it in your home router using port forwarding. Here is a tut...
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Connecting a CerboGX, WS500 and REC BMS to nmea2000posted in REC BMS to Victron VE Bus
Hi Matthew, As long as you have a 120 ohm terminator on each of the longest ends, with only short branch stubs you should be fine. Your best bet is to try and have one continuous cable so remov...
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Firmware update and NMEA data.posted in WS500 User Installation and Programming Questions
Hey Giorgio, this is pretty cool. I havent played with this feature in a couple of years and its great to see it now integrates well. Thanks for sharing! The engine speed is calculated based ...
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Firmware update and NMEA data.posted in WS500 User Installation and Programming Questions
Missed this one. The IOS app is for offline setup only. IOS does not allow the use of the port for 3rd party serial USB functions like Android does. The idea is that you configure it, send ...
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How does the WS500 work on a dual alternator setup?posted in WS500 Tips, Tricks and support
This is good information Al, thanks for jumping in. And to confirm yes, REC BMS does support a 48V LFP Victron/WS500 integrated system in both a single SI-Q Series BMS or up to 15 strings of cells...
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Fuse blowing in Alternator Positiveposted in WS500 User Installation and Programming Questions
Ben has some good ideas and I think he is correct in suspecting your alternator is the problem. Second step after that would be to check the wires inside the AMP connector for chafing. If neithe...
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REC BMS additioanl temperature Sensors DS18B20posted in REC BMS Tips and Tricks
The sensors are smart devices and the 3 wires in the sheath just get paralleled together to the second sensor to create a sensor network. We are working on a more elegant solution but all you need...
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How does the WS500 work on a dual alternator setup?posted in WS500 Tips, Tricks and support
Your installation seems to be well designed based on your overview and having a separate 12/48V system is actually quite common so I am not sure why they would say something like this. Al is or wa...
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Will it work? 3P4S @ 690ahposted in REC Active BMS
and here is a 2P4S wiring diagram from the REC BMS North America site you can use as a starting point https://rec-bms-na.com/download/31/rec-active-bms-sketches/1290/rec-active-bms-wiring-diagra...
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Will it work? 3P4S @ 690ahposted in REC Active BMS
Sounds like a great config and yes, the Active BMS is good to about 1,000Ah of well behaved \"A\" grade cells like CALBs. FYI, for large scale 12V projects there is a Master/Slave solution but y...
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DFK linkingposted in WS500 User Installation and Programming Questions
Not sure exactly what you are looking for but Al put together a pretty detailed setup and communications manual that might help. Here is the link https://www.wakespeed.com/wp-content/uploads/...
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New REC sample wiring Diagrams now availableposted in REC Product Announcements
We have posted some new Active and SI-Q series diagrams to the REC North America site which use the new PreCharge V3 module and show both a 2P4S and 2P8S configuration for those who were wondering ...
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REC Active BMS 2.9.0 Firmware Updateposted in REC Product Announcements
REC has just released a firmware update for the Active BMS that adds a new CAN message and addresses an RS485 bug. For details and downloads you can visit the REC North America site here: https...
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Minimal connections to safely communicate w/BMSposted in REC Q Series BMS
I grabbed this page snip from page 13 of the Active BMS manual. Manuals are available here: https://rec-bms-na.com/downloads/
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Setting Date and Timeposted in REC Q Series BMS
The Active BMS and Master both have a Real Time Clock(RTC) but the SI-Q series standalone does not. Time can be set in the Firmware tab of the WiFi module. From the manual Firmware tab is us...
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Silencing the audible alarmposted in REC Q Series BMS
yes, but REC was closed over the holidays for more than 2 weeks. It normally only takes a few days. I would expect to see it early next week
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converting harness from p type to n typeposted in WS500 Tips, Tricks and support
Both Trond and Ben make a very good point. To switch an alternator is usually as easy as finding the brush wire that goes to the diode bridge and moving it to ground instead. Your other brush the...
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converting harness from p type to n typeposted in WS500 Tips, Tricks and support
Yes it is possible but Wakespeed does not share this information freely as they say incorrect configuration can cause serious damage. If you contact them directly they may be able to help.
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Config file syntaxposted in WS500 User Installation and Programming Questions
Hey Stefano, Not quite sure what is happening with the new company but we have been trying to give them some constructive feedback and fortunately we have a great bunch of people with WS500 expe...
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Config file syntaxposted in WS500 User Installation and Programming Questions
The comma after the custom table 7 or 8 is not required. If you have a PC and our WS500 config tool you can upload your current parameters and verify they were correctly posted. Also, when you ar...
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Alternator shunt spurious invalid current reportedposted in WS500 Tips, Tricks and support
The first place to start is with your wiring. The current shunt sense wire measures a very low milli-volt signal and is susceptible to outside interference. Make sure the wires are not near or wo...
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Silencing the audible alarmposted in REC Q Series BMS
Ed, for some reason I thought your RV was 12v. Busy day🤪. For a Q Series you need to send us your serial number to tech@offgridsoftwaresolutions.com as each firmware build is keyed to your BMS. ...
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WS500, Victron VE.Bus BMS V2posted in WS500 User Installation and Programming Questions
The Cerbo will also recognize the REC BMS and a couple of Smart batteries, but I would expect your BMS to work. Have you enabled DVCC in your Cerbo? Here are the instructions for connecting you...
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WS500, Victron VE.Bus BMS V2posted in WS500 User Installation and Programming Questions
I havent yet configured an all Victron to WS500 solution with the updated firmware and new Cerbo rev, but here are a couple of things to consider Do you have the correct WS500 profile for Victro...
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New Video How to configure your REC WiFi module to be an STA on your home networkposted in REC BMS Tips and Tricks
Good feedback, thanks, but most people wire the WiFi module to the battery side of the system and leave it powered up. The current draw in sleep mode is so tiny as to be not a factor. The benefit...
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Error 10 - Did I bork my BMS?posted in REC Active BMS
Hey Jeremy, Its a 50/50 chance and all depends on what cell sequence you connected them in. For instance, if you connect cell 1 -, then cell 4 +, you have put 13-14 volts on a 5V ADC module, or...
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Silencing the audible alarmposted in REC Q Series BMS
Tine has provided an updated 2.8.1 firmware bin file for the Active BMS. When asked how he implemented the low temp change, this was his reply. \"No buzzer on the BMS but sent to the inverter a...
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